Frost-proof sillcock faucets are installed& on the exterior of buildings for providing water supply outside the building and preventing the freezing of pipes during winter. The faucets are made from chrome-plated brass construction rated for handling pressure up to 125 PSI. They feature a rugged anti-siphon ball valve to prevent accidental leaks and for anti-backflow protection. Sillcock faucets come equipped with an ergonomically designed hand wheel for easy closing and opening of the valve. Choose from a wide range of frostproof sillcock faucets& in ceramic, rubber and brass disc options on Raptor Supplies.